Support pylint v3 and drop v1

[anis-campos]

in pylint v3.0.0, there is pylint-dev/pylint#8404, that breaks the current implementation of:

• ClassAttrLoader
• FixtureChecker

This fix is an attempt of supporting both pylint v2 and v3.

Other chances:

• remove the support of pylint v1 (was only possible in python 3.6. and seems to be broken)
• use pylint v3 to check the source code

Fixes #12

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (fc8fa90) 92.50% compared to head (1195f5c) 94.16%.

❗ Current head 1195f5c differs from pull request most recent head a9a022f. Consider uploading reports for the commit a9a022f to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #27      +/-   ##
==========================================
+ Coverage   92.50%   94.16%   +1.66%     
==========================================
  Files          18       18              
  Lines         560      548      -12     
  Branches      109      106       -3     
==========================================
- Hits          518      516       -2     
+ Misses         29       23       -6     
+ Partials       13        9       -4     

Flag	Coverage Δ
3.10	93.97% <100.00%> (+1.65%)	⬆️
3.11	93.97% <100.00%> (+1.65%)	⬆️
3.6	93.97% <100.00%> (+1.65%)	⬆️
3.7	93.97% <100.00%> (+1.65%)	⬆️
3.8	93.97% <100.00%> (+1.65%)	⬆️
3.9	93.97% <100.00%> (+1.65%)	⬆️
macos-latest	93.97% <100.00%> (+1.65%)	⬆️
ubuntu-20.04	93.97% <100.00%> (+1.65%)	⬆️
ubuntu-latest	93.97% <100.00%> (+1.65%)	⬆️
windows-latest	93.97% <100.00%> (+1.65%)	⬆️

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[anis-campos]

@stdedos , sorry if I overstepped with my last commit. I did it as I was a little confused by the non-deterministic state of the dependencies (specially pylint, where the CI was using v3 and my local vas using v2).

let me know if I should place it in another PR

[stdedos]

Uuum, definitely some changes need to be rationalized to be merged in this PR 😅

I'll try to review quickly tonight.
However, even if this gets accepted as-is, release will happen earliest Monday (I don't want to give weekend surprises to anyone 😅)

[stdedos]

Yeah, I have "quite a few" questions wrt 87baf06.
Definitely I do not think it belongs to this PR.

Please force-push revert it, so we can merge this.

OTOH, thank you very much for showing this: It was a mash-up of TILs for me 🙃
And one of them (constraints) would've been a lot helpful ... 1-2y ago 😅

[anis-campos]

Yeah, I have "quite a few" questions wrt 87baf06. Definitely I do not think it belongs to this PR.

Please force-push revert it, so we can merge this.

OTOH, thank you very much for showing this: It was a mash-up of TILs for me 🙃 And one of them (constraints) would've been a lot helpful ... 1-2y ago 😅

Ok, done. I will re-submit the dependency management part in a later PR, let's just keep in mind that some differences might show up in between local and CI depending of the dependencies version, specially pylint v2/v3.

[stdedos]

Thank you 😄